Figure 1 (IMAGE)

Higher Education Press

Figure 1

Caption

The imbalance shift from one LD to another. The color map counts the number of instances over two LDs on Zappos. The numerical values annotated on the colored blocks in the figure represent values post logarithmic transformation. Many major class instances become minor ones when the LD changes. In other words, the major/minor class property of an instance is difficult to be kept across LDs.

Credit

Yi Shi, Han-Jia Ye, Dong-Liang Man, Xiao-Xu Han, De-Chuan Zhan, Yuan Jiang

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